Examples with ValueFactory org.openrdf.model.ValueFactory used on opensource projects

Example 61 with ValueFactory

use of org.openrdf.model.ValueFactory in project incubator-rya by apache.

the class GeoIndexerTest method testDcSearchWithPredicate.

@Test
public void testDcSearchWithPredicate() throws Exception {
    // test a ring around dc
    try (final GeoMesaGeoIndexer f = new GeoMesaGeoIndexer()) {
        f.setConf(conf);
        final ValueFactory vf = new ValueFactoryImpl();
        final Resource subject = vf.createURI("foo:subj");
        final URI predicate = GeoConstants.GEO_AS_WKT;
        final Value object = vf.createLiteral("Point(-77.03524 38.889468)", GeoConstants.XMLSCHEMA_OGC_WKT);
        final Resource context = vf.createURI("foo:context");
        final Statement statement = new ContextStatementImpl(subject, predicate, object, context);
        f.storeStatement(convertStatement(statement));
        f.flush();
        final double[] IN = { -78, 39, -77, 39, -77, 38, -78, 38, -78, 39 };
        final LinearRing r1 = gf.createLinearRing(new PackedCoordinateSequence.Double(IN, 2));
        final Polygon p1 = gf.createPolygon(r1, new LinearRing[] {});
        // query with correct Predicate
        Assert.assertEquals(Sets.newHashSet(statement), getSet(f.queryWithin(p1, new StatementConstraints().setPredicates(Collections.singleton(predicate)))));
        // query with wrong predicate
        Assert.assertEquals(Sets.newHashSet(), getSet(f.queryWithin(p1, new StatementConstraints().setPredicates(Collections.singleton(vf.createURI("other:pred"))))));
    }
}

Example 62 with ValueFactory

use of org.openrdf.model.ValueFactory in project incubator-rya by apache.

the class GeoIndexerTest method testPrimeMeridianSearch.

@Test
public void testPrimeMeridianSearch() throws Exception {
    try (final GeoMesaGeoIndexer f = new GeoMesaGeoIndexer()) {
        f.setConf(conf);
        final ValueFactory vf = new ValueFactoryImpl();
        final Resource subject = vf.createURI("foo:subj");
        final URI predicate = GeoConstants.GEO_AS_WKT;
        final Value object = vf.createLiteral("Point(0 0)", GeoConstants.XMLSCHEMA_OGC_WKT);
        final Resource context = vf.createURI("foo:context");
        final Statement statement = new ContextStatementImpl(subject, predicate, object, context);
        f.storeStatement(convertStatement(statement));
        f.flush();
        final double[] ONE = { 1, 1, -1, 1, -1, -1, 1, -1, 1, 1 };
        final double[] TWO = { 2, 2, -2, 2, -2, -2, 2, -2, 2, 2 };
        final double[] THREE = { 3, 3, -3, 3, -3, -3, 3, -3, 3, 3 };
        final LinearRing r1 = gf.createLinearRing(new PackedCoordinateSequence.Double(ONE, 2));
        final LinearRing r2 = gf.createLinearRing(new PackedCoordinateSequence.Double(TWO, 2));
        final LinearRing r3 = gf.createLinearRing(new PackedCoordinateSequence.Double(THREE, 2));
        final Polygon p1 = gf.createPolygon(r1, new LinearRing[] {});
        final Polygon p2 = gf.createPolygon(r2, new LinearRing[] {});
        final Polygon p3 = gf.createPolygon(r3, new LinearRing[] {});
        Assert.assertEquals(Sets.newHashSet(statement), getSet(f.queryWithin(p1, EMPTY_CONSTRAINTS)));
        Assert.assertEquals(Sets.newHashSet(statement), getSet(f.queryWithin(p2, EMPTY_CONSTRAINTS)));
        Assert.assertEquals(Sets.newHashSet(statement), getSet(f.queryWithin(p3, EMPTY_CONSTRAINTS)));
        // Test a ring with a hole in it
        final Polygon p3m2 = gf.createPolygon(r3, new LinearRing[] { r2 });
        Assert.assertEquals(Sets.newHashSet(), getSet(f.queryWithin(p3m2, EMPTY_CONSTRAINTS)));
        // test a ring outside the point
        final double[] OUT = { 3, 3, 1, 3, 1, 1, 3, 1, 3, 3 };
        final LinearRing rOut = gf.createLinearRing(new PackedCoordinateSequence.Double(OUT, 2));
        final Polygon pOut = gf.createPolygon(rOut, new LinearRing[] {});
        Assert.assertEquals(Sets.newHashSet(), getSet(f.queryWithin(pOut, EMPTY_CONSTRAINTS)));
    }
}

Example 63 with ValueFactory

use of org.openrdf.model.ValueFactory in project incubator-rya by apache.

the class GeoIndexerTest method testDeleteSearch.

@Test
public void testDeleteSearch() throws Exception {
    // test a ring around dc
    try (final GeoMesaGeoIndexer f = new GeoMesaGeoIndexer()) {
        f.setConf(conf);
        final ValueFactory vf = new ValueFactoryImpl();
        final Resource subject = vf.createURI("foo:subj");
        final URI predicate = GeoConstants.GEO_AS_WKT;
        final Value object = vf.createLiteral("Point(-77.03524 38.889468)", GeoConstants.XMLSCHEMA_OGC_WKT);
        final Resource context = vf.createURI("foo:context");
        final Statement statement = new ContextStatementImpl(subject, predicate, object, context);
        f.storeStatement(convertStatement(statement));
        f.flush();
        f.deleteStatement(convertStatement(statement));
        // test a ring that the point would be inside of if not deleted
        final double[] in = { -78, 39, -77, 39, -77, 38, -78, 38, -78, 39 };
        final LinearRing r1 = gf.createLinearRing(new PackedCoordinateSequence.Double(in, 2));
        final Polygon p1 = gf.createPolygon(r1, new LinearRing[] {});
        Assert.assertEquals(Sets.newHashSet(), getSet(f.queryWithin(p1, EMPTY_CONSTRAINTS)));
        // test a ring that the point would be outside of if not deleted
        final double[] out = { -77, 39, -76, 39, -76, 38, -77, 38, -77, 39 };
        final LinearRing rOut = gf.createLinearRing(new PackedCoordinateSequence.Double(out, 2));
        final Polygon pOut = gf.createPolygon(rOut, new LinearRing[] {});
        Assert.assertEquals(Sets.newHashSet(), getSet(f.queryWithin(pOut, EMPTY_CONSTRAINTS)));
        // test a ring for the whole world and make sure the point is gone
        // Geomesa is a little sensitive around lon 180, so we only go to 179
        final double[] world = { -180, 90, 179, 90, 179, -90, -180, -90, -180, 90 };
        final LinearRing rWorld = gf.createLinearRing(new PackedCoordinateSequence.Double(world, 2));
        final Polygon pWorld = gf.createPolygon(rWorld, new LinearRing[] {});
        Assert.assertEquals(Sets.newHashSet(), getSet(f.queryWithin(pWorld, EMPTY_CONSTRAINTS)));
    }
}

Example 64 with ValueFactory

use of org.openrdf.model.ValueFactory in project incubator-rya by apache.

the class InputIT method historicThenStreamedResults.

/**
 * Simulates the case where a Triple is added to Rya, a new query that includes
 * that triple as a historic match is inserted into Fluo, and then some new
 * triple that matches the query is streamed into Fluo. The query's results
 * must include both the historic result and the newly streamed result.
 */
@Test
public void historicThenStreamedResults() throws Exception {
    // A query that finds people who talk to Eve and work at Chipotle.
    final String sparql = "SELECT ?x WHERE { " + "?x <http://talksTo> <http://Eve>. " + "?x <http://worksAt> <http://Chipotle>." + "}";
    // Triples that are loaded into Rya before the PCJ is created.
    final ValueFactory vf = new ValueFactoryImpl();
    final Set<Statement> historicTriples = Sets.newHashSet(vf.createStatement(vf.createURI("http://Alice"), vf.createURI("http://talksTo"), vf.createURI("http://Eve")), vf.createStatement(vf.createURI("http://Alice"), vf.createURI("http://worksAt"), vf.createURI("http://Chipotle")));
    // Triples that will be streamed into Fluo after the PCJ has been created.
    final Set<RyaStatement> streamedTriples = Sets.newHashSet(new RyaStatement(new RyaURI("http://Frank"), new RyaURI("http://talksTo"), new RyaURI("http://Eve")), new RyaStatement(new RyaURI("http://Frank"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")));
    // Load the historic data into Rya.
    final SailRepositoryConnection ryaConn = super.getRyaSailRepository().getConnection();
    for (final Statement triple : historicTriples) {
        ryaConn.add(triple);
    }
    ryaConn.close();
    // Create the PCJ table.
    final Connector accumuloConn = super.getAccumuloConnector();
    final PrecomputedJoinStorage pcjStorage = new AccumuloPcjStorage(accumuloConn, getRyaInstanceName());
    final String pcjId = pcjStorage.createPcj(sparql);
    try (FluoClient fluoClient = FluoFactory.newClient(super.getFluoConfiguration())) {
        // Tell the Fluo app to maintain the PCJ.
        new CreateFluoPcj().withRyaIntegration(pcjId, pcjStorage, fluoClient, accumuloConn, getRyaInstanceName());
        // Ensure Alice is a match.
        super.getMiniFluo().waitForObservers();
        final Set<BindingSet> expected = new HashSet<>();
        MapBindingSet bs = new MapBindingSet();
        bs.addBinding("x", vf.createURI("http://Alice"));
        expected.add(bs);
        Set<BindingSet> results = new HashSet<>();
        try (CloseableIterator<BindingSet> resultsIt = pcjStorage.listResults(pcjId)) {
            while (resultsIt.hasNext()) {
                results.add(resultsIt.next());
            }
        }
        assertEquals(expected, results);
        // Stream the data into Fluo.
        new InsertTriples().insert(fluoClient, streamedTriples, Optional.<String>absent());
        // Verify the end results of the query also include Frank.
        super.getMiniFluo().waitForObservers();
        bs = new MapBindingSet();
        bs.addBinding("x", vf.createURI("http://Frank"));
        expected.add(bs);
        results = new HashSet<>();
        try (CloseableIterator<BindingSet> resultsIt = pcjStorage.listResults(pcjId)) {
            while (resultsIt.hasNext()) {
                results.add(resultsIt.next());
            }
        }
        assertEquals(expected, results);
    }
}

Example 65 with ValueFactory

use of org.openrdf.model.ValueFactory in project incubator-rya by apache.

the class InputIT method streamedResults.

/**
 * Ensure streamed matches are included in the result.
 */
@Test
public void streamedResults() throws Exception {
    // A query that finds people who talk to Eve and work at Chipotle.
    final String sparql = "SELECT ?x WHERE { " + "?x <http://talksTo> <http://Eve>. " + "?x <http://worksAt> <http://Chipotle>." + "}";
    // Triples that will be streamed into Fluo after the PCJ has been created.
    final Set<RyaStatement> streamedTriples = Sets.newHashSet(new RyaStatement(new RyaURI("http://Alice"), new RyaURI("http://talksTo"), new RyaURI("http://Eve")), new RyaStatement(new RyaURI("http://Bob"), new RyaURI("http://talksTo"), new RyaURI("http://Eve")), new RyaStatement(new RyaURI("http://Charlie"), new RyaURI("http://talksTo"), new RyaURI("http://Eve")), new RyaStatement(new RyaURI("http://Eve"), new RyaURI("http://helps"), new RyaURI("http://Kevin")), new RyaStatement(new RyaURI("http://Bob"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")), new RyaStatement(new RyaURI("http://Charlie"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")), new RyaStatement(new RyaURI("http://Eve"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")), new RyaStatement(new RyaURI("http://David"), new RyaURI("http://worksAt"), new RyaURI("http://Chipotle")));
    // The expected results of the SPARQL query once the PCJ has been computed.
    final ValueFactory vf = new ValueFactoryImpl();
    final Set<BindingSet> expected = new HashSet<>();
    MapBindingSet bs = new MapBindingSet();
    bs.addBinding("x", vf.createURI("http://Bob"));
    expected.add(bs);
    bs = new MapBindingSet();
    bs.addBinding("x", vf.createURI("http://Charlie"));
    expected.add(bs);
    // Create the PCJ table.
    final Connector accumuloConn = super.getAccumuloConnector();
    final PrecomputedJoinStorage pcjStorage = new AccumuloPcjStorage(accumuloConn, getRyaInstanceName());
    final String pcjId = pcjStorage.createPcj(sparql);
    try (FluoClient fluoClient = FluoFactory.newClient(super.getFluoConfiguration())) {
        // Tell the Fluo app to maintain the PCJ.
        new CreateFluoPcj().withRyaIntegration(pcjId, pcjStorage, fluoClient, accumuloConn, getRyaInstanceName());
        // Ensure the query has no results yet.
        super.getMiniFluo().waitForObservers();
        try (CloseableIterator<BindingSet> resultsIt = pcjStorage.listResults(pcjId)) {
            assertFalse(resultsIt.hasNext());
        }
        // Stream the data into Fluo.
        new InsertTriples().insert(fluoClient, streamedTriples, Optional.<String>absent());
        // Verify the end results of the query match the expected results.
        super.getMiniFluo().waitForObservers();
        final HashSet<BindingSet> results = new HashSet<>();
        try (CloseableIterator<BindingSet> resultsIt = pcjStorage.listResults(pcjId)) {
            while (resultsIt.hasNext()) {
                results.add(resultsIt.next());
            }
        }
        assertEquals(expected, results);
    }
}